139 search results - page 25 / 28 » On the Security of Two Key-Updating Signature Schemes |
BROADNETS
2005
IEEE
14 years 1 months ago
2005
IEEE
Abstract— Privacy and security are two important but seemingly contradict objectives in pervasive computing environments (PCEs). On the one hand, service providers want to authen...
ASIACRYPT
2003
Springer
14 years 19 days ago
2003
Springer
Abstract. ESIGN is an efficient signature scheme that has been proposed in the early nineties (see [14]). Recently, an effort was made to lay ESIGN on firm foundations, using the...
CSFW
2010
IEEE
13 years 11 months ago
2010
IEEE
—Security protocol design is a creative discipline where the solution space depends on the problem to be solved and the cryptographic operators available. In this paper, we exami...
ICPADS
2005
IEEE
14 years 1 months ago
2005
IEEE
Abstract. In identity-based (ID-based) cryptosystems, a local registration authority (LRA) is responsible for authentication of users while the key generation center (KGC) is respo...
FC
2000
Springer
13 years 11 months ago
2000
Springer
For the two last decades, people have tried to provide practical electronic cash schemes, with more or less success. Indeed, the most secure ones generally suffer from inefficiency...